<script>
export default {
  name: "About",
  mounted() {
    console.log('about被挂载了',this)
    window.aboutRoute = this.$route
    window.aboutRouter = this.$router
  },
  beforeDestroy() {
    console.log('About被销毁了')
  }
}
</script>

<template>
 <div>
   <h2>我是About的内容</h2>
 </div>
</template>

<style scoped>

</style>